to preventing iran of achieving a nuclear weapon and president obama echoed the themes a couple of days ago. however, i don't think the white house and the u.s. wants to be pushed in to on such a high profile stage battered with making a public ultimatum of red lines to iran so the speech is out. used graphics. netanyahu, former ambassador. when you listen to dozens of speeches in the room, never hurts to have some props with you. they do it in congress a lot. >> i think for a lot of people perhaps it worked. one question is, as he was speaking there were some bursts of applause. i'm curious, were those assembly members? was that public audience? who would that have been? >> reporter: well, we're trying to figure out but i think the delegations, especially here israel and a little bit with the palestinians, brought in extra people with the delegations. they sat way in the back. they may have needed tickets for this and think israel may have felt a little, well, they rallied from the last year when abbas of the palestinians and spoke just before netanyahu had huge standing ovations last year